he fought for us. he won us independence from france. he united the country. >> abroad, he was not quite so uncontroversial. critics say is political wheeling and dealing helped bring about the killing fields revolution of the 1970's. most have forgiven him his mistakes. some of his ashes will be kept in and are not in the royal palace and the rest will be scattered into the mekong river. >> today's world cancer day. for millions of people every year, a positive diagnosis often means a death sentence. in germany, cancer is the second leading cause of death. >> the world health organization says 30% of cancer could be successfully treated if found early enough. caissons in germany are seeing promising results in a new therapy for brain cancer. >> herman has been coming to the university clinic in heidelberg for two and half years now. today, he is accompanied by his partner. he has an aggressive kind of brain tumor. >> it was about two or three years ago that i noticed something was not right with me. a